When a woman is sexually attracted to men significantly shorter than her. Based on the well known fairy story where although the princess ends up marrying the normal sized Prince, she does spend an awfully long time with those dwarves.
Man 1: "Crikey, never thought Barry had it in him to get a bird like that. She's stunning, and almost 2 feet taller than him?!"
Man 2: "She must have a Snow White complex, its the only way Barry could pull that one off."